F.Dorla&reg; USB External Slot CD DVD RW Drive Burner Superdrive for Apple MacBook Pro Air iMAC OS system Full compatible with USB 2.0 / USB 1.1 Power by computer USB port, no external AC adapter needed No enject button designed, automatic slot in design and slot loading,preventing cockamamie process of opening or closing the machine's door by hand Plug and play,connects to your MacBook with a single USB cable that's built into the SuperDrive Compatible for Macbook OS system,and work well with Windows 98 /SE / ME / 2000 / XP/ vista /windows 7